CN207710340U - Wall-hanging multi-work piece Self adapting fixture - Google Patents

Abstract

The utility model discloses wall-hanging multi-work piece Self adapting fixture, including knee wall, it is formed at least a pair of the first profiling for placing a workpiece respectively and with difference in height on knee wall and is clamped position and the second profiling clamping position, it further include the workpiece pressing mechanism that workpiece can be fixed in the first profiling clamping position and the second profiling clamping position, workpiece pressing mechanism includes adaptive briquetting, can rotate the contact position of adjustment and outer surface of workpiece when adaptive briquetting is contacted with workpiece according to the shape of outer surface of workpiece.The adaptive briquetting of the utility model is pivotally connected with support element and support element is pivotally connected power plant, so that adaptive briquetting with workpiece surface when contacting, it with huge adjusting space, can ensure the compatible degree of adaptive briquetting and workpiece surface, avoid that the surface of workpiece is caused to damage；Two kinds of pivot structures are used cooperatively, meet two kinds of identical or different outer profiles workpiece while clamp, use scope is wider, and versatility is stronger, and application flexibility is more preferably.

Description

Wall-hanging multi-work piece Self adapting fixture

Technical field

The utility model is related to Precision Machining fields, especially wall-hanging multi-work piece Self adapting fixture.

Background technology

When precision component is processed, and especially the part in the fields such as medical instrument, automobile, ship, aerospace is processed, by Often there is special appearance profile in part, need to design special fixture to carry out stable fix to ensure following process Precision, although having various air-actuated jaws can use.

But in existing fixture, pressing plate or briquetting for being contacted with workpiece to be added etc. are often and cylinder or power plant Be fixedly connected, when this results in pressing plate, briquetting etc. to be contacted with workpiece surface, can not according to actual conditions adjust with it is to be processed The compactness of part outer surface, it is bad so as to cause the fixing of clamping, and easy the problem of workpiece surface is caused to scratch.

Also, during actual processing, even identical product, the outer contour shape of workpiece to be added also tends to exist Certain deviation, needless to say the product of different outer profiles, and pressing plate or briquetting are fixedly connected with cylinder or driving structure and just lead Cause a binding clasp that can not often adapt to the requirement of product of different shapes while clamping, applicability, flexibility are bad.

Meanwhile existing fixture is when the workpiece to be added for carrying out various distinctive appearance profiles grips, cylinder or power The one-off of device can only often realize the clamping of a workpiece, this is unfavorable for the raising of overall processing efficiency.

On the other hand, the existing fixture with multiple clamping stations, each station are substantially horizontally distributed, this Resulting in fixture, the space occupied is larger in the horizontal direction, and under conditions of process equipment horizontal space limits, fixture it is big It is small to be also limited, therefore be difficult to realize that multiple workpiece are disposably processed by increasing clamping station, this is just unfavorable for processing efficiency Raising.

Therefore, still there is larger room for improvement.

Utility model content

The purpose of this utility model is exactly to provide wall-hanging multi-work piece to solve the above-mentioned problems in the prior art Self adapting fixture.

The purpose of this utility model is achieved through the following technical solutions：

Wall-hanging multi-work piece Self adapting fixture, including knee wall are formed on the knee wall at least a pair of for distinguishing It places a workpiece and the first profiling with difference in height is clamped position and the second profiling clamping position, further include that workpiece can be fixed on to institute The workpiece pressing mechanism in the first profiling clamping position and the second profiling clamping position is stated, the workpiece pressing mechanism includes adaptive pressure Block can rotate contact of the adjustment with outer surface of workpiece according to the shape of outer surface of workpiece when the adaptive briquetting is contacted with workpiece Position.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：First profiling is clamped position and described second The contour shape for being clamped position is identical or different.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：The workpiece pressing mechanism includes positioned at described First profiling is clamped the power plant between position and the second profiling clamping position, and the power plant is pivotally connected a support element and drives The dynamic support element is whole to be moved back and forth along first direction, and the support element is pivotally connected respectively at the both ends of second direction State adaptive briquetting.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：The adaptive briquetting has and workpiece foreign steamer The profiling press surface of wide local matching, the profiling press surface are arc or V-arrangement.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：It is provided on the profiling press surface anti-skidding Pad.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：A pair of first profiling clamping position and the second profiling It is clamped position and two workpiece pressing mechanism cooperatings arranged side by side.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：The knee wall is two, and gap, parallel Setting, two opposite wall surfaces of the knee wall have been respectively formed on two pairs of the first profiling clamping positions, the second profiling clamping position And it is provided with corresponding workpiece pressing mechanism.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：Further include for when the adaptive briquetting with Workpiece not in contact with when workpiece is fixed on to auxiliary positioning part in first profiling clamping position and the second profiling clamping position.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：The auxiliary positioning part includes holder, described The both ends that holder is located at second direction offer the through-hole extended in a first direction respectively, and scalable and stroke limits in the through-hole Surely one telescopic rod of grafting, the telescopic rod are provided with a spacer pin close to one end of the knee wall, and a spring is set in institute It states the periphery of telescopic rod and is limited between the spacer pin and holder.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：The telescopic rod close to the knee wall one End cap is equipped with nonmetallic press sleeve.

Preferably, the wall-hanging multi-work piece Self adapting fixture, wherein：It further include the drive of the driving telescopic rod movement Dynamic device, the driving device include two-way cylinder or by motor-driven two-way leading screw, two pistons of the two-way cylinder It is connected separately with a drive link extended in a second direction on two traveling nuts of bar or two-way leading screw, is set on the drive link It is equipped with and each electricity telescopic rod one end location matches far from the knee wall and magnetic-adsorption can be passed through with telescopic rod Magnet, the adsorption capacity between the electromagnet and telescopic rod are more than the reaction force of the spring deformation.

The advantages of technical solutions of the utility model, is mainly reflected in：

The utility model deft design, simple in structure, adaptive briquetting and the support element at both ends are pivot joint structure, So that briquetting when being contacted with workpiece surface, has certain adjusting space, so as to preferably match contract with workpiece surface It closes, ensures the fixing and validity of clamping, while also avoiding causing to damage to the surface of workpiece；Further by support element pivot Connecting power device, so that adaptive briquetting has the adjusting space of bigger when being contacted with workpiece surface, so as to It is further ensured that the compatible degree of adaptive briquetting and workpiece surface；Simultaneously as two kinds of pivot structures are used cooperatively, therefore even if When the outer contour shape difference of the workpiece on two profiling clamping positions, adaptive briquetting equally can be according to the shape of two workpiece Shape is adjusted, and is clamped while to realize the workpiece of two kinds of identical or different outer profiles, use scope is wider, and versatility is more By force, application flexibility is more preferably.

It can be synchronized by workpiece pressing mechanism and pressure is applied to the workpiece of two profiling stations, so as to by primary Action realizes that the synchronous clamping of two workpiece is fixed, and improves clamping efficiency, and then be conducive to the improvement of overall processing efficiency.

Non-slip mat is provided on the profiling press surface of adaptive briquetting to be conducive to adaptively press when improving pressing soon and work The frictional force on part surface, avoids the occurrence of the problem of sliding causes clamping workpiece to loosen, and is conducive to the fixing for improving clamping and steady It is qualitative.

In conjunction with auxiliary positioning part, the location of workpiece can be fixed temporarily by auxiliary positioning part when manually carrying out feeding, So that a staff can carry out multiple Workpiece clampings respectively, it is convenient for manual operation, is conducive to the effect for improving clamping Rate.

The driving device of driving auxiliary positioning part work is set, and by the application of magnetic-adsorption, by individually controlling electricity Magnet is so as to realize the telescopic rod work of one or some or all of auxiliary positioning part, so as on structure automation To expect mechanism, realizes disposable whole feedings of multiple directions clamping position or independent feeding, the degree of automation higher is easily controllable, Using more flexible.

Since profiling clamping position is in axial distribution, the horizontal space occupied is smaller, under the conditions of identical horizontal space, It can be by the way that multiple knee walls be arranged to increase the quantity that profiling is clamped position, to realize the increase for clamping quantity, Jin Erneng When enough saving caused by needing repeatedly stopping process equipment carrying out Workpiece clamping when a conventional binding clasp clamps a workpiece Between lose, be conducive to improve whole processing efficiency.

Description of the drawings

Fig. 1 is the stereogram of the utility model；

Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.

Specific implementation mode

The purpose of this utility model, advantage and feature will carry out figure by the non-limitative illustration of preferred embodiment below Show and explains.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent replacement or wait Effect transformation and formed technical solution, all fall within the requires of the utility model protection within the scope of.

In the description of scheme, it should be noted that term "center", "upper", "lower", "left", "right", "front", "rear", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, It is merely for convenience of describing and simplifying description, specific side must be had by not indicating or implying the indicated device or element Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.

The wall-hanging multi-work piece Self adapting fixture of the utility model is illustrated below in conjunction with the accompanying drawings, including knee wall 1, The knee wall 1 is the cuboid that long side extends in second direction Z, naturally it is also possible to it is any other feasible shape, it is described It is formed on the wall surface 11 of knee wall 1 and at least a pair of is respectively used to place workpiece 10 and matched with the local outer profile of workpiece 10 First profiling is clamped position 2 and the second profiling is clamped position 3, the wheel profile of the first profiling clamping position 2 and second clamping position 3 Shape can need to be set as identical or different according to actual processing, and as shown in Fig. 1, they are identical contour shape, specifically It is rendered as the notch that longitudinal section is concave shape.

As shown in Fig. 1, a pair of first profiling clamping position 2 and the second profiling clamping position 3 have difference in height and holding Gap, and the gap location in first profiling clamping position 2 and the second profiling clamping position 3 is provided with and can consolidate workpiece 10 respectively The workpiece pressing mechanism 4 being scheduled in the first profiling clamping position 2 and the second profiling clamping position 3, the workpiece pressing mechanism 4 wrap Adaptive briquetting 41 is included, adjustment and work can be rotated according to the shape of outer surface of workpiece when the adaptive briquetting 41 is contacted with workpiece The contact position of part outer surface.

Specifically, as shown in Fig. 2, the workpiece pressing mechanism 4 includes being located at first profiling clamping position 2 and the Two profilings are clamped the power plant 42 of the gap location between position 3, and the power plant 42 is preferably cylinder, naturally it is also possible to be it His existing equipment, such as leading screw plus motor structure, details are not described herein；The piston rod of the cylinder is stretched along first direction X Contracting and its one support element 43 of connection simultaneously drive the support element 43 is whole to be moved back and forth along first direction X, and the support element 43 is whole Body is rendered as the arch of symmetrical structure or the moulding of similar telephone receiver, naturally it is also possible to be other shapes, symmetry axis is along the One direction X extends, and the piston rod of the support element 43 and cylinder is pivotally connected, and the shaft 44 for connecting them is prolonged along third direction Y It stretches, and the symmetry axis of the support element 43 excessively of the shaft 44.

As shown in Fig. 2, the support element 43 is pivotally connected respectively at the both ends of second direction Z the adaptive briquetting 41, the both ends of the support element 43, which are respectively arranged with, is pivotally connected boss 431, and edge is provided on the pivot connection boss 431 The through-hole that third direction Y extends, the adaptive briquetting 41 is whole to be rendered as Y shape, V-arrangement or T shapes, with the pivot connection 431 matched buckling groove of boss, and there is the body supported on both sides of the buckling groove circular-arc-shaped exterior contour 412, a pivot 45 to pass through The body supported on both sides for being pivotally connected the through-hole of boss 431 and connect the buckling groove is worn, to which the adaptive briquetting can To rotate clockwise or counterclockwise.

As shown in Fig. 2, the adaptive briquetting 41 is and local of workpiece outer profile towards the end face of the knee wall 1 The profiling press surface 411 matched, the profiling press surface 411 are arc or V-arrangement, and the central part of the profiling press surface is hollow out Structure 413 is also beneficial to apply workpiece surface in the adaptive briquetting so as to reduce the contact area with workpiece surface So that strength is more concentrated when power, improves and press Compressive Strength.

Further, in order to avoid opposite the case where sliding occur after fixation in the profiling press surface and workpiece surface, It is provided with non-slip mat on the profiling press surface（It is not shown in figure）, meanwhile, the hardness of the non-slip mat of non-metallic material is opposite certainly The hardness for adapting to pressing piece wants much lower, therefore is conducive to avoid making workpiece surface impaired.

In another preferred embodiment, a pair of first profiling clamping position 2 and the second profiling clamping position 3 and two are side by side 4 cooperating of workpiece pressing mechanism being arranged, and the drive of same power plant 42 may be used in two workpiece pressing mechanisms 4 It is dynamic, so as to which so that equipment mechanism is compacter, as shown in attached drawing 1, attached drawing 2, two workpiece pressing mechanisms 4 are respectively provided with independence Power plant 42, two workpiece pressing mechanisms 4 can be when workpiece be longer along third direction Y development lengths, by extending Two different locations in direction apply pressure, to ensure the fixing gripped and stability, avoid in process, work The case where part is loosened by the external force of process equipment.

In addition, due to being clamped at least provided with a pair of hanging the first profiling clamping position 2 and the second profiling on a fixture Position 3, since two adaptive briquettings of the workpiece pressing mechanism 4 act simultaneously, imitated by manually carrying out first When shape is clamped the feeding of position 2 and the second profiling clamping position 3, feeding, two workpiece two hands while must be fixed on by staff First profiling is clamped in position 2 and the second profiling clamping position 3, is thus risen and is not sold to start the power plant 42 by workpiece When fixed or blanking, once workpiece pressing mechanism 4 no longer applies pressure to workpiece, if catching work when staff's difference Part, workpiece will fall the case where damaging under the effect of gravity, must just have at this time other staff's coordinating operations or Person's charging and discharging mechanism, which must satisfy, can be clamped primary property placement on position in multiple profilings or remove workpiece.

In order to solve the problems, as shown in Fig. 1, the wall-hanging multi-work piece Self adapting fixture further includes being used for When the adaptive briquetting 41 and workpiece not in contact with when workpiece is fixed on the first profiling clamping position 2 and the second profiling is clamped Auxiliary positioning part 5 in position 3, as shown in Fig. 2, the auxiliary positioning part 5 include holder 51, and the holder 51 can be arranged On the knee wall 1, it can also be arranged and be set in the power plant 42 in other positions, the present embodiment, and its is whole Z extends body in a second direction, and forms T-shaped construction with the power plant 42, and the holder 51 is located at the two of second direction Z It holds the notch height for extending to and being clamped in position 2 and the second profiling clamping position 3 with first profiling close, and opens respectively thereon Equipped with the through-hole 52 extended along first direction X, scalable and stroke limiting ground one telescopic rod 53 of grafting, described in the through-hole 52 Telescopic rod 53 is provided with a spacer pin 54 close to one end of the knee wall 1, and the spacer pin 54 is vertical with the telescopic rod 53, One spring 55 is set in the periphery of the telescopic rod 53 and is limited between the spacer pin 54 and holder 51, two telescopic rods 53 Be conducive to keep overall structure compacter on same holder 51.

Also, workpiece surface is caused to damage when contacting with workpiece in order to avoid the telescopic rod 53, in the telescopic rod 53 are arranged with nonmetallic press sleeve 56 close to one end of the knee wall 1.

Further, in order to improve the degree of automation of equipment, unmanned processing is realized, wall-hanging multi-work piece Self adapting fixture is also Including the driving device for driving the telescopic rod 53 to move（It is not shown in figure）, the driving device includes two-way cylinder or by electricity The two-way leading screw of machine driving, is connected separately on two piston rods of the two-way cylinder or two traveling nuts of two-way leading screw One drive link that Z extends in a second direction is provided on the drive link with each telescopic rod 53 far from the knee wall 1 One end location matches and can be with telescopic rod 53 by the electromagnet of magnetic-adsorption, the suction between the electromagnet and telescopic rod 53 Attached power is more than the reaction force of 55 deformation of the spring.

When there is above-mentioned driving device, workpiece is being placed into multiple first profiling clamping positions 2 and the second profiling card It connects in position 3, drives drive link respectively backwards to the mobile two groups of electromagnet made thereon point by the two-way cylinder or two-way leading screw It is not close with the telescopic rod 53, so that them is adsorbed the telescopic rod 53 for electromagnet energization at this time, then through institute It states two-way cylinder or two-way leading screw drives two drive links to move toward one another, to make each telescopic rod 53 far from corresponding support Wall 1, at this time can be by manually carrying out feeding or automation equipment feeding, when carrying out artificial feeding blanking one by one, can be with The break-make for controlling the power supply circuit of each electromagnet respectively by controlling switch, to allow corresponding telescopic rod 53 in spring It is resetted under 55 reaction force and is fixed temporarily workpiece；Whether profiling can also be confirmed to be clamped on position by sensor etc. has work Part, to automatically control corresponding electromagnet power supply circuit break-make.

When using feeding blanking equipment is automated, can workpiece disposably be placed at all profilings clamping position, also may be used Workpiece is placed to be clamped at position in each profiling one by one, and controls the power supply of each electromagnet simultaneously or one by one by sensor signalling The break-make of circuit.

When carrying out manual or automaticization blanking, can also be operated according to above-mentioned principle, details are not described herein.

Certainly, in other embodiments, the auxiliary positioning part 5 can also not have the spacer pin 54 and spring 55, and Directly it is that the connection of telescopic rod 53 one drives its flexible actuating unit, such as the structure of cylinder and drive link, also, the auxiliary Locating piece 5 can also be independence corresponding with each profiling clamping position position.

On the other hand, in order to improve the total piece-holder amount of a fixture, in preferred structure as shown in Fig. 1, institute It is two to state knee wall 1, and gap, is arranged in parallel, and the opposite wall surface 11 of two knee walls 1 has been respectively formed on described in two pairs First profiling is clamped position 2, the second profiling clamping position 3 and the corresponding workpiece pressing mechanism 4 and auxiliary supports 5, a pair of First profiling clamping position 2, the second profiling clamping position 3 are located at the top of another pair, and the structure on two knee walls 1 is mutual Symmetrically.

And it is corresponding in order to keep the structure of fixture more compact, as shown in Fig. 2, multiple workpiece pressing mechanisms 4 Cylinder pass through piping connection there is the gas supply plate 46 of air source device branch, the gas supply plate 46 connection air source.

Meanwhile when for the ease of processing, the workpiece on fixture has more suitably relative position with process equipment, can be with The knee wall 1 is set to the rotating device for driving it to be moved along the shaft rotation that direction Z extends around one（It is not shown in figure）On.

When specific works, each profiling is manually secured the workpiece against by auxiliary positioning part 5 one by one and is clamped on position, it can also It is realized one by one or disposably by automation equipment, it is multiple described being fixed on multiple workpiece by the auxiliary positioning part 5 After first profiling is clamped in position 2 and the second profiling clamping position 3, the cylinder in corresponding workpiece pressing mechanism 4, cylinder is respectively started Piston rod retract, moved to corresponding workpiece direction to drive the support element 42 whole, and make the adaptive of its both ends The profiling press surface of briquetting is contacted with the outer surface of workpiece, at the same adaptive briquetting described in the reaction force trend according to workpiece and Support element generation is correspondingly rotated to adapt to the external surface shape of workpiece, to make the profiling press surface and workpiece of adaptive briquetting Surface is effectively bonded, and applying pressure to workpiece makes them be fixed in corresponding profiling clamping position, at this time can be by adding Construction equipment is processed.

After completion of processing, the piston rod of cylinder stretches out, and so that adaptive briquetting 41 is detached with workpiece 10 and no longer applies pressure, this When workpiece by auxiliary supports 5 be continually maintained in profiling be clamped position at, can according to the operation of upper auxiliary supports 5 complete under Material and again feeding.

Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model Scheme is all fallen within the scope of protection of the utility model.

Claims (10)

1. wall-hanging multi-work piece Self adapting fixture, it is characterised in that：Including knee wall（1）, the knee wall（1）On be formed with to Few a pair of the first profiling clamping position for placing a workpiece respectively and with difference in height（2）It is clamped position with the second profiling（3）, also It is clamped position including workpiece can be separately fixed to first profiling（2）It is clamped position with the second profiling（3）In workpiece pressing machine Structure（4）, the workpiece pressing mechanism（4）Including adaptive briquetting（41）, the adaptive briquetting（41）It can when being contacted with workpiece It is rotated according to the shape of outer surface of workpiece to adjust the contact position with outer surface of workpiece.

2. wall-hanging multi-work piece Self adapting fixture according to claim 1, it is characterised in that：The workpiece pressing mechanism （4）It is clamped position including being located at first profiling（2）It is clamped position with the second profiling（3）Between power plant（42）, described dynamic Power apparatus（42）It is pivotally connected a support element（43）And drive the support element（43）Entirety is along first direction（X）It moves back and forth, The support element（43）In second direction（Z）Both ends be pivotally connected have the adaptive briquetting respectively（41）.

3. wall-hanging multi-work piece Self adapting fixture according to claim 1, it is characterised in that：The adaptive briquetting（41） With the profiling press surface with workpiece outer profile local matching, the profiling press surface is arc or V-arrangement.

4. wall-hanging multi-work piece Self adapting fixture according to claim 3, it is characterised in that：It is set on the profiling press surface It is equipped with non-slip mat.

5. wall-hanging multi-work piece Self adapting fixture according to claim 2, it is characterised in that：A pair of first profiling is clamped position （2）It is clamped position with the second profiling（3）With two workpiece pressing mechanisms arranged side by side（4）Cooperating.

6. wall-hanging multi-work piece Self adapting fixture according to claim 1, it is characterised in that：The knee wall（1）It is two It is a, and gap, be arranged in parallel, two knee walls（1）Opposite wall surface（11）It has been respectively formed on two pairs of first profilings It is clamped position（2）, the second profiling be clamped position（3）And it is provided with corresponding workpiece pressing mechanism（4）.

7. according to any wall-hanging multi-work piece Self adapting fixtures of claim 1-6, it is characterised in that：Further include for working as The adaptive briquetting（41）With workpiece not in contact with when workpiece be fixed on first profiling be clamped position（2）With the second profiling card Connect position（3）In auxiliary positioning part（5）.

8. wall-hanging multi-work piece Self adapting fixture according to claim 7, it is characterised in that：The auxiliary positioning part（5） Including holder（51）, the holder（51）Positioned at second direction（Z）Both ends offered respectively along first direction（X）What is extended is logical Hole（52）, the through-hole（52）Interior scalable and stroke limiting ground one telescopic rod of grafting（53）, the telescopic rod（53）Close to institute State knee wall（1）One end be provided with a spacer pin（54）, a spring（55）It is set in the telescopic rod（53）Periphery and limit Positioned at the spacer pin（54）And holder（51）Between.

9. wall-hanging multi-work piece Self adapting fixture according to claim 8, it is characterised in that：The telescopic rod（53）It is close The knee wall（1）One end be arranged with nonmetallic press sleeve（56）.

10. wall-hanging multi-work piece Self adapting fixture according to claim 8, it is characterised in that：Further include being stretched described in driving Contracting bar（53）Mobile driving device, the driving device includes two-way cylinder or by motor-driven two-way leading screw, described double To cylinder two piston rods or two-way leading screw two traveling nuts on be connected separately with one in a second direction（Z）The biography of extension Lever is provided on the drive link and each telescopic rod（53）Far from the knee wall（1）One end location matches and It can be with telescopic rod（53）By the electromagnet of magnetic-adsorption, the electromagnet and telescopic rod（53）Between adsorption capacity be more than it is described Spring（55）The reaction force of deformation.